14-u-u=2(u+7)

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Solution for 14-u-u=2(u+7) equation:


Simplifying
14 + -1u + -1u = 2(u + 7)

Combine like terms: -1u + -1u = -2u
14 + -2u = 2(u + 7)

Reorder the terms:
14 + -2u = 2(7 + u)
14 + -2u = (7 * 2 + u * 2)
14 + -2u = (14 + 2u)

Add '-14' to each side of the equation.
14 + -14 + -2u = 14 + -14 + 2u

Combine like terms: 14 + -14 = 0
0 + -2u = 14 + -14 + 2u
-2u = 14 + -14 + 2u

Combine like terms: 14 + -14 = 0
-2u = 0 + 2u
-2u = 2u

Solving
-2u = 2u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-2u' to each side of the equation.
-2u + -2u = 2u + -2u

Combine like terms: -2u + -2u = -4u
-4u = 2u + -2u

Combine like terms: 2u + -2u = 0
-4u = 0

Divide each side by '-4'.
u = 0

Simplifying
u = 0

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